Walmart has the Virgin Mobile MiFi 2200 Prepaid Broadband Mobile Hotspot, model no. BB2Go Mifi, for $129 for a limited time. Shipping to a local store for pickup is Free, shipped to your door adds $2.97.

The Virgin Mobile MiFi 2200 Prepaid Device is small and compact, making it extremely easy to travel with. Connect up to five devices to this Wi-Fi hotspot (802.11 b/g). Simple, one-touch connectivity makes it easy to operate. Get up to four hours of usage out of one charge and over 40 hours of standby time. It also has a removable lithium-ion battery.